Xerox M20 - WorkCentre B/W Laser, Service Manual

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December 2006
4-61 WorkCentre M20, 4118, FaxCentre 2218 Family
ADJ 5.1, ADJ 5.2
Repairs and Adjustments
ADJ 5.1 DADF Side Edge Registration Adjustment (M20F/
2218)
Purpose
To correctly set the DADF side edge registration.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Perform the following:
1. Raise the MEA unit - TX stacker, PL 5.10 Item 18.
2. Remove the PMO - TX stacker lower, PL 5.10 Item 26.
3. Loosen the screw that secures the PMO gear pinion, PL 5.10 Item 23 until the PMO gear
pinion is clear of the document guides.
4. Carefully move both document guides to the front or the rear to adjust the registration.
NOTE: Moving both document guides 1 tooth on the pinion gear will adjust the registra-
tion by approximately 3mm (0.1 inch).
5. Assemble the MEA unit - TX stacker.
6. Use the DADF to make 10 copies of a document. Check the registration, refer to IQS 3
Registration. If necessary, re-adjust the registration.
ADJ 5.2 ADF Side Edge Registration Adjustment (4118)
Purpose
To correctly set the ADF side edge registration.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
Perform the following:
1. Remove the ELA HOU - ADF lower assembly, perform REP 5.2 steps 1 to 6.
2. Remove the PMO - TX stacker assembly, PL 5.20 Item 22.
3. Loosen the screw that secures the PMO gear pinion, PL 5.20 Item 6 until the PMO gear
pinion is clear of the document guides.
4. Carefully move both document guides to the front or the rear to adjust the registration.
NOTE: Moving both document guides 1 tooth on the pinion gear will adjust the registra-
tion by approximately 3mm (0.1 inch).
5. Assemble the ELA HOU - ADF.
6. Use the ADF to make 10 copies of a document. Check the registration, refer to IQS 3
Registration. If necessary, re-adjust the registration.